/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */


/***
 *      _____          __  __ _      _____ _    _ ____   ____  
 *     |_   _|   /\   |  \/  | |    |_   _| |  | |  _ \ / __ \ 
 *       | |    /  \  | \  / | |      | | | |  | | |_) | |  | |
 *       | |   / /\ \ | |\/| | |      | | | |  | |  _ <| |  | |
 *      _| |_ / ____ \| |  | | |____ _| |_| |__| | |_) | |__| |
 *     |_____/_/    \_\_|  |_|______|_____|\____/|____/ \____/ 
 *                                                             
 *                                                             
 */


/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
#include <string.h>
#include <time.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
GPS_DataTypeDef GPS_Data;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
void Parse_GPS_Data(void);
void Print_GPS_Data(void);
/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */
  

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_TIM2_Init();
  MX_USART1_UART_Init();
  MX_USART2_UART_Init();
  /* USER CODE BEGIN 2 */
	HAL_TIM_Base_Start_IT(&htim2);
	__HAL_UART_ENABLE_IT(&huart2, UART_IT_IDLE);
	HAL_UART_Receive_DMA(&huart2,(uint8_t *)GPS_Data.GPS_Data_Buffer,GPS_BUFFER_SIZE); 
	
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
		Parse_GPS_Data();
		Print_GPS_Data();
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
void Parse_GPS_Data(void)
{
	char *subString;
	char *subStringNext;
	uint8_t i = 0;
	if (GPS_Data.isGetData)
	{
		GPS_Data.isGetData = 0;
//		printf("%s",GPS_Data.GPS_Data_Buffer);

		for (i = 0 ; i <= 9 ; i++)
		{
			if (i == 0)
			{
				if((subString = strstr((char *)GPS_Data.GPS_Data_Buffer, ",")) == NULL)
					printf("GPS data parse error(1)\r\n");;
			}
			else
			{
				subString++;
				if ((subStringNext = strstr(subString, ",")) != NULL)
				{
					char isRightBuffer[2]; 
					switch(i)
					{
						case 1:
							memcpy(GPS_Data.UTCTime, subString, subStringNext - subString);
						  GPS_Data.UTCTime[10] = '\0';
						break;
						case 2:
							memcpy(isRightBuffer, subString, subStringNext - subString);
						  isRightBuffer[1] = '\0';
						break;
						case 3:
							memcpy(GPS_Data.latitude, subString, subStringNext - subString);
							GPS_Data.latitude[10] = '\0';
						break;
						case 4:
							memcpy(GPS_Data.N_S, subString, subStringNext - subString);
						  GPS_Data.N_S[1] = '\0';
						break;
						case 5:
							memcpy(GPS_Data.longitude, subString, subStringNext - subString);
							GPS_Data.longitude[11] = '\0';
						break;
						case 6:
							memcpy(GPS_Data.E_W, subString, subStringNext - subString);
							GPS_Data.E_W[1] = '\0';
						break;
						case 7:
							break;
						case 8:
							break;
						case 9:
							memcpy(GPS_Data.UTCDate, subString, subStringNext - subString);
						  GPS_Data.UTCDate[6] = '\0';
							break;
						default:break;
					}
					
					subString = subStringNext;
					GPS_Data.isParseData = 1;
					if(isRightBuffer[0] == 'A')
						GPS_Data.isRightData = 1;
					else if(isRightBuffer[0] == 'V')
						GPS_Data.isRightData = 0;
				}
				else
				{
					printf("GPS data parse error(2)\r\n");
				}
			}
		}
		
	__HAL_UART_ENABLE_IT(&huart2, UART_IT_IDLE);
	HAL_UART_Receive_DMA(&huart2,(uint8_t *)GPS_Data.GPS_Data_Buffer,GPS_BUFFER_SIZE); 
	}
}

void Print_GPS_Data(void)
{
	if (GPS_Data.isParseData)
	{
		GPS_Data.isParseData = 0;

		if(GPS_Data.isRightData)
		{
			GPS_Data.isRightData = 0;
			printf("   *****************************************\r\n");
			printf("   *****          GPS LOCATION         *****\r\n");
			printf("   ***   Date:%s     TIME:%s  ***\r\n", GPS_Data.UTCDate, GPS_Data.UTCTime);
			printf("   *                                       *\r\n");
			printf("   ***  %s: %s    %s: %s  ***\r\n", GPS_Data.N_S,GPS_Data.latitude,GPS_Data.E_W,GPS_Data.longitude);
			printf("   *****            IAMLIUBO           *****\r\n");
			printf("   *****************************************\r\n\r\n");
		}
		else
		{
			printf("GPS data not right\r\n");
		}
	}
}

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */

  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{ 
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
